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High speed flight tests with the Bo. 105

Published online by Cambridge University Press:  04 July 2016

Adam Teleki
Adam Teleki*
Affiliation:
Messerschmitt-Bölkow-Blohm GmbH, Ottobrunn
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Extract

In giving this paper, my aim is to give an outline of the practical aspects of flight tests performed with a Bo. 105 helicopter, in the speed range of 100 kt to 220 kt, rather than to dwell on theoretical explanations for the results obtained, which have been dealt with in Refs. 1 and 2. In a short paper of this nature it is not possible to deal in detail with all aspects of such a test programme, so I have selected some results which I hope will be of interest. A number of similar investigations have of course been performed with other helicopters during the past, albeit not with this type of main rotor system, and to those who are familiar with these flight programmes I must apologise for not bringing any startling new discoveries.

Type
Research Article
Information
The Aeronautical Journal , Volume 79 , Issue 778 , October 1975 , pp. 425 - 430
Copyright
Copyright © Royal Aeronautical Society 1975 

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References

1. Wagner, Dr. Ing. S. Problems of estimating the drag of a helicopter. AGARD-CP 124.Google Scholar
2. Wagner, Dr. Ing. S. Transonikprobleme der Rotor- aerodynamik. MBB-UD-133-74, DGLR Symposium, 18th October 1974.Google Scholar
3. Paul, W. F. A self-excited rotor blade oscillation at high subsonic Mach numbers. 24th Annual National Forum of the AHS, Washington DC, May 1968.Google Scholar